a condition felt upon arising (from being horizontal to vertical) in which your head feels like it is full of cement

caused by gastro-esphogial-reflux-disorder (GERD)-when the mist of refluxed stomach acids reach the sinus cavity thereby generating an excess of mucus to expel the foreign substance

Suzanne was tired of waking up every morning with cement head. She went to her doctor to learn why and he said that the condition is a result of GERD. He gave her a scrip for Nexium and the cement head went away.